Dapoxetine
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| (1S)-N,N-dimethyl-3-naphthalen-1-yloxy-1-phenyl -propan-1-amine IUPAC name | |
| CAS number 119356-77-3 (base compound) 129938-20-1 (HCl salt) |
ATC code ? |
| PubChem 71353 |
DrugBank ? |
| Chemical formula | C21H23NO |
| Molecular weight | 305.413 g/mol |
| Bioavailability | ? |
| Metabolism | ? |
| Elimination half-life | ? |
| Excretion | ? |
| Pregnancy category | ? |
| Legal status | Rx-only |
| Routes of administration | Oral |
Dapoxetine (Priligy ®) is the International Nonproprietary Name of a short-acting SSRI drug currently being considered for approval by the Food and Drug Administration (FDA) for the treatment of premature ejaculation in men, which would make it the first drug approved for such treatment. It is currently in Phase III of the approval process. This would make it join the ranks of sildenafil (Viagra®), tadalafil (Cialis®), and vardenafil (Levitra®), the erectile dysfunction drugs and cabergoline (Dostinex®) (off-label), as a drug invented to improve male sexual health.
Dapoxetine was created by Eli Lilly and Company and is credited to biochemist David T. Wong. Originally known as LY 210448, it was being developed by Lilly as an antidepressant. Eli Lilly sold the patent to Johnson & Johnson for $65 million dollars and future royalties in December 2003.
Dapoxetine was submitted to the FDA in the form of dapoxetine hydrochloride by the ALZA Corporation and its parent company, Johnson & Johnson for the treatment of premature ejaculation with a New Drug Application (NDA) to the Food and Drug Administration (FDA) on December 28, 2004.
In October of 2005, the FDA issued a "not approvable" letter for dapoxetine[1].
Despite two clinical trials finished in 2006, experts doubt it will be approved by the FDA soon because SSRIs come with undesirable side-effects after long-term use, such as psychiatric problems, dermatological reactions, increase in body weight, lower sex-drive, nausea, headache, upset stomach and weakness, thus not significantly outweighing the benefit of premature ejaculation medication versus the risks.
External links
- "PEhomepage.com - treatments for premature ejaculation" - an article on dapoxetine
- "Premature Ejaculation Drug Promising"
- "The many mysteries of the female orgasm" - An editorial about advances in sexual pharmacology
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